/*
 * Copyright [2013-2021], Alibaba Group Holding Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.polardbx.matrix.jdbc.utils;

import com.alibaba.polardbx.common.DefaultSchema;
import com.alibaba.polardbx.matrix.jdbc.TDataSource;

/**
 * @author chenghui.lch
 */
public class TDataSourceInitUtils {

    public static Throwable initDataSource(TDataSource ds) {
        Throwable dsInitEx = null;
        if (ds != null) {
            if (!ds.isInited()) {
                String defaultSchemaName = DefaultSchema.getSchemaName();
                try {
                    ds.init();
                } catch (Throwable ex) {
                    dsInitEx = ex;
                } finally {
                    DefaultSchema.setSchemaName(defaultSchemaName);
                }
            }
        }
        return dsInitEx;
    }
}
